Ear Anatomy and Physiology

What are the three main sections of the hearing system?

• outer ear, middle ear, inner ear

• ear, nerve, brain

• left ear, right ear, brain

What is the middle ear filled with in a healthy ear?

• endolymph

• perilymph

• air

• water

Tonotopic organization refers to:

• The detection of bass sounds toward the apex of the cochlea and treble sounds toward the base

• The detection of bass sounds toward the base of the cochlea and treble sounds toward the apex

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The cochlea houses the organ of hearing. This organ is

• The organ of Mike

• Transfibulator

• The organ of Corti

• Palleaus' Organ

Approximately how many inner hair cells are there to detect pitches in a typically functioning human ear?

• 12

• 3,000,000

• 564

• 35,000

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What is the function of the middle ear?

• amplify sound

• convert acoustic energy into mechanical energy

• direct sound toward inner ear

• all of the above